Note If one or more of the files on the hard disk are open, you will receive the following message:

The disk check could not be performed because the disk check utility needs exclusive access to some Windows files on the disk. These files can be accessed by restarting Windows. Do you want to schedule the disk check to occur the next time you restart the computer?

Click to expand...

Click Yes to schedule the disk check, and then restart your computer to start the disk check.

Wait until Chkdsk finishes Checking / Repairing any faults
Windows will then either restart your computer or continue loading Normally.